Unexplained Phenomena

Unexplained phenomena are all around us. Here you can learn about topics that include spontaneous human combustion, crop circles and the Bermuda Triangle.

Theories surrounding the source of the Tunguska blast that rocked the Siberian region in 1908 abound. But the exact cause is still a mystery.

There's no doubt people are seeing lights. But are they really spirits of ghosts — or even aliens — or can these unusual lights be clarified with a simple explanation?

Are strange skeletons unearthed across the globe evidence that we're not alone, or are they simply more myths and legends that are bound to be debunked?

The recent booming sounds heard in Alabama are part of a mysterious phenomenon that's occurred for years around the U.S. and elsewhere in the world.

Theories about the ghostly lights abound. Conclusions are harder to come by.

No crew, sails set, fire still blazing in the galley — some ships wash up on shores under mysterious circumstances. The Resolven was one of them.

When a super-realistic android or video character gives us a creepy feeling, it enters the uncanny valley. Why do we get spooked, and what can we do to avoid it?

Covfefe isn't as mysterious as everyone makes it out to be. We're here to explain.

Ancient caves! Mysterious stones! Tiny little beings with strange heads! Sounds like the plot of an Indiana Jones movie, doesn't it? The legend of the Dropa stones has persisted for over half a century now, but is any of it actually true?

Humans riding dinosaurs: Sounds like a kid's dream come true! History tells us this couldn't possibly have happened, but the Ica stones say otherwise. So is there any truth to these allegedly ancient carvings, or are they just an elaborate hoax?

Fans of the Super Mario Bros. series know that enemy fish can attack from above. And fans of the film "Magnolia" know that sometimes frogs do rain from the sky. But this is purely the realm of pop culture. Things like this don't really happen, right?

Singing monuments sounds like the premise of an enchanted Broadway musical -- or a scene straight out of "A Night at the Museum." So did the Colossi of Memnon actually sing at one time? And if so, why don't they sing anymore? Stage fright?

Is the world really connected by an intricate, invisible web of knowledge-expanding energy waves? Sure, it's called the Internet -- and you're channeling it right now! Oh, you were asking about the ley lines? We've got an answer for that too.

Long before crop circles captured the world's imagination, a Peruvian culture called the Nazca went about creating a series of intricate lines -- sometimes in the shapes of animals -- on the desert floor. But how'd they do it -- and why?

Obviously, if we had more evidence of the existence of ghosts, we wouldn't all spend so much time debating the matter. Believers in the supernatural, however, are convinced a substance called "ectoplasm" proves ghosts are real -- but are they right?

The Zone of Silence sounds like a good place to get some studying done -- just kick back, relax and absorb knowledge. What's that? It's in the middle of a Mexican desert? Well, scratch the studying and find out what it really is.

A "law of miracles," you say? What, are people going to get fined for practicing miracles without a license? Is there even a certification program for becoming a miracle worker? No, it's a mathematical law?

We humans have no problem dreaming up superpowers we wish we had. There's flight, invincibility and super strength. But what about pyrokinesis or starting fires with our minds? Is that a real-life thing or comic-book fantasy?

Star jelly sounds like it could be some sort of cosmic spread for toast -- complete with a flashy label boasting, "Now with 50 percent more universe!" Unfortunately, the real story of star jelly is far less tasty -- and far more terrestrial.

The "angel hair phenomenon" sounds like a best-selling pasta dish from your local Italian restaurant. Or maybe we're just hungry. But if this phenomenon isn't related to tasty cuisine, what's it all about -- and are angels actually involved?

Humankind have explored just about every part of the world, but mysteries still abound -- especially ones involving ancient cultures and unexplained monuments. This is where Laos' Plain of Jars fits in.

Was Anna Anderson really Anastasia Romanov? Does the Bermuda Triangle really exist? Wonder no more: We have the answers to these and other formerly unsolved mysteries.

The mysteries of Stonehenge have captivated us for centuries: Who built it and why? How did they move those giant stones? Though archaeologists and other researchers have replaced old theories with new ideas, many questions remain.

In 1977, SETI volunteer Jerry Ehman found a transmission printout so exciting he circled the paper with the word "Wow!" It seemed to indicate a message from outer space. But was it really?